Business calling

Get the complete business calling solution, on-premises or in the cloud

Use an integrated phone solution with state-of-the-art features, whether you call from a phone, PC, or mobile device.

Introducing a free version of Microsoft Teams

A powerful hub for teamwork that brings together chat, video calling, files, and apps into a shared work space.

Unify your communication systems

Microsoft gives you all the business voice features you need, integrated with Teams or Skype for Business. Eliminate the costs and complexity of on-premises systems, with enhanced calling inside familiar tools.
A man making a video call from his smartphone
A laptop screen displaying Microsoft Teams

Get teamwork built-in from the start

Make phone calls in Teams and foster teamwork, using Office 365 business voice features like Phone System, Calling Plan, and Direct Routing.

Lower the total cost of your phone systems

Get a single business voice solution with flexible deployment options in the cloud, on-premises, or hybrid. With no time-consuming installation, you’ll be making your first Teams call in minutes.
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Ready to make calls in Office 365?

Microsoft business voice solutions

Calling in Office 365 and Teams

Phone System, when paired with Calling Plan and/or Direct Routing, provides a full business calling experience for Office 365 users in Teams on a global scale.

Skype for Business

Skype for Business is an on-premises communications platform offering enterprise voice features integrated with IM, online meetings, and video conferencing.

Articles about business voice

Unified communications 101: What new businesses need to know
Save time and money using better communication software


"With Office 365, we are revolutionizing the way we think about collaboration. The ease of communication through these shared capabilities makes it less about where you’re located and more about the conversation."

-Beth Codner, Head of Global People, The Kraft Heinz Company


See more from Office 365

Learn how to move your telephony to the cloud

Unblocking workplace collaboration

Complete, integrated solutions designed for your business

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Get more done

Get the Office apps with built-in AI and online file storage and sharing.

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Work better together

Better teamwork, better tools, so you can work from anywhere.

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Safeguard your data

Help protect your company against external threats and leaks with built-in privacy and compliance tools.

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Simplified for you

Easily setup and manage users, devices and data, giving you more time to focus on your business.

Get it now

Subscribe to Office 365 for the essential productivity solution.

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